描述
SR750-P1-G1-S1-H1-A20-R
當(dāng)極對(duì)數(shù)一定時(shí)，電機(jī)的轉(zhuǎn)速和頻率之間有嚴(yán)格的關(guān)系，用電機(jī)專業(yè)術(shù)語說，就是同步。異步電機(jī)也叫感應(yīng)電機(jī)，主要作為電動(dòng)機(jī)使用，其工作時(shí)的轉(zhuǎn)子轉(zhuǎn)速總是小于同步電機(jī)。
同步電動(dòng)機(jī)（synchronousmotor）是由直流供電的勵(lì)磁磁場(chǎng)與電樞的旋轉(zhuǎn)磁場(chǎng)相互作用而產(chǎn)生轉(zhuǎn)矩，以同步轉(zhuǎn)速旋轉(zhuǎn)的交流電動(dòng)機(jī)。
轉(zhuǎn)子轉(zhuǎn)速與定子旋轉(zhuǎn)磁場(chǎng)的轉(zhuǎn)速相同的交流電機(jī)。其轉(zhuǎn)子轉(zhuǎn)速n與磁極對(duì)數(shù)p、電源頻率f之間滿足n=60f/p。轉(zhuǎn)速n決定于電源頻率f，故電源頻率一定時(shí)，轉(zhuǎn)速不變，且與負(fù)載無關(guān)。具有運(yùn)行穩(wěn)定性高和過載能力大等特點(diǎn)。常用于多機(jī)同步傳動(dòng)系統(tǒng)、精密調(diào)速穩(wěn)速系統(tǒng)和大型設(shè)備(如軋鋼機(jī))等。
同步電動(dòng)機(jī)是屬于交流電機(jī)，定子繞組與異步電動(dòng)機(jī)相同。它的轉(zhuǎn)子旋轉(zhuǎn)速度與定子繞組所產(chǎn)生的旋轉(zhuǎn)磁場(chǎng)的速度是一樣的，所以稱為同步電動(dòng)機(jī)。正由于這樣，同步電動(dòng)機(jī)的電流在相位上是超前于電壓的，即同步電動(dòng)機(jī)是一個(gè)容性負(fù)載。為此，在很多時(shí)候，同步電動(dòng)機(jī)是用以改進(jìn)供電系統(tǒng)的功率因數(shù)的。
產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢(shì)價(jià)格，大量現(xiàn)貨。
主營(yíng)DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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